/* Découverte Peltier : styles confinés à cette page. */
body.peltier-discovery {
  --peltier-cold: #79c9ff;
  --peltier-warm: #ffad73;
  --peltier-note: #80e5c1;
  --peltier-line: rgba(138, 190, 255, .2);
  --peltier-surface: rgba(12, 24, 41, .74);
}

body.peltier-discovery .story-step {
  padding: 32px 0;
  border-top: 1px solid var(--peltier-line);
}

body.peltier-discovery .story-step:first-child { border-top: 0; }
body.peltier-discovery .story-step > :last-child { margin-bottom: 0; }

body.peltier-discovery .story-lead {
  max-width: 720px;
  color: #dce8f5;
  font-size: 1.08rem;
  line-height: 1.7;
}

body.peltier-discovery .story-question {
  max-width: 720px;
  margin: 14px 0 0;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.65;
}

body.peltier-discovery .story-keyfigures {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 26px 0 0;
  border-top: 1px solid var(--peltier-line);
  border-bottom: 1px solid var(--peltier-line);
}

body.peltier-discovery .story-keyfigures > div {
  display: grid;
  grid-template-rows: auto auto;
  min-width: 0;
  padding: 15px 18px 16px 0;
}

body.peltier-discovery .story-keyfigures > div + div {
  padding-left: 18px;
  border-left: 1px solid var(--peltier-line);
}

body.peltier-discovery .story-keyfigures dd {
  grid-row: 1;
  margin: 0;
  color: var(--text);
  font-size: 1.45rem;
  font-weight: 800;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

body.peltier-discovery .story-keyfigures dt {
  grid-row: 2;
  margin-top: 5px;
  color: var(--muted);
  font-size: .82rem;
  line-height: 1.45;
}

body.peltier-discovery .build-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 22px 0;
  border-top: 1px solid var(--peltier-line);
}

body.peltier-discovery .build-facts > div {
  display: grid;
  align-content: start;
  gap: 5px;
  min-width: 0;
  padding: 12px 14px 12px 0;
  border-bottom: 1px solid var(--peltier-line);
}

body.peltier-discovery .build-facts > div + div { padding-left: 14px; border-left: 1px solid var(--peltier-line); }
body.peltier-discovery .build-facts dt { color: var(--text); font-weight: 750; }
body.peltier-discovery .build-facts dd { margin: 0; color: var(--muted); line-height: 1.55; }

body.peltier-discovery .assembly-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin: 24px 0;
}

body.peltier-discovery .assembly-steps figure { min-width: 0; margin: 0; }
body.peltier-discovery .assembly-steps img {
  aspect-ratio: 3 / 4;
  object-fit: contain;
}

body.peltier-discovery .assembly-steps img,
body.peltier-discovery .figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--peltier-line);
  border-radius: 8px;
  background: var(--peltier-surface);
}

body.peltier-discovery .assembly-steps figcaption,
body.peltier-discovery .figure figcaption,
body.peltier-discovery .pedagogy figcaption,
body.peltier-discovery .experiment-caption {
  margin: 9px 2px 0;
  color: var(--muted);
  font-size: .86rem;
  line-height: 1.55;
}

body.peltier-discovery .assembly-steps .step-action {
  display: block;
  color: var(--text);
  font-size: .95rem;
  line-height: 1.45;
}

body.peltier-discovery .assembly-steps .step-number {
  margin: 0 .45rem 0 0;
  vertical-align: middle;
}

body.peltier-discovery .assembly-steps .step-detail {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: .84rem;
  font-weight: 400;
  line-height: 1.5;
}

body.peltier-discovery .step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.8rem;
  height: 1.8rem;
  margin-right: .45rem;
  border: 1px solid var(--peltier-line);
  border-radius: 50%;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 800;
}

body.peltier-discovery .power-summary {
  margin: 22px 0;
  padding: 16px 0;
  border-top: 1px solid var(--peltier-line);
  border-bottom: 1px solid var(--peltier-line);
  color: var(--muted);
  line-height: 1.6;
}

body.peltier-discovery .power-summary strong {
  color: var(--text);
  font-size: 1.1rem;
}

body.peltier-discovery .power-summary > strong { font-size: 1.25rem; }
body.peltier-discovery .power-summary p { margin: 5px 0 0; }

body.peltier-discovery .figure-grid.power-photos figure { min-width: 0; margin: 0; }
body.peltier-discovery .power-photos .figure img { box-shadow: none; }
body.peltier-discovery .power-photos figcaption { display: grid; gap: 3px; }
body.peltier-discovery .power-label { color: var(--muted); font-size: .8rem; font-weight: 700; }
body.peltier-discovery .power-value { color: var(--text); font-size: 1.35rem; line-height: 1.2; }
body.peltier-discovery .power-context { color: var(--muted); font-size: .82rem; line-height: 1.5; }

body.peltier-discovery .thermal-path {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin: 24px 0;
  padding: 0;
  list-style: none;
}

body.peltier-discovery .thermal-path li {
  position: relative;
  min-width: 0;
  padding: 12px 25px 12px 0;
  border-top: 1px solid var(--peltier-line);
  border-bottom: 1px solid var(--peltier-line);
  color: var(--text);
  font-weight: 750;
  line-height: 1.45;
}

body.peltier-discovery .thermal-path li + li { padding-left: 14px; }
body.peltier-discovery .thermal-path li:not(:last-child)::after {
  position: absolute;
  z-index: 1;
  top: 50%;
  right: 9px;
  width: 8px;
  height: 8px;
  border-top: 2px solid var(--peltier-note);
  border-right: 2px solid var(--peltier-note);
  content: "";
  transform: translateY(-50%) rotate(45deg);
}

body.peltier-discovery .pedagogy { position: relative; margin: 24px 0 30px; }
body.peltier-discovery .pedagogy > img,
body.peltier-discovery .pedagogy > svg {
  width: 100%;
  height: auto;
  border: 1px solid var(--peltier-line);
  border-radius: 8px;
  background: #0c1829;
}

body.peltier-discovery .visual-kind {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  margin: 0 0 9px 2px;
  padding: 4px 10px;
  border: 1px solid rgba(128, 229, 193, .24);
  border-radius: 999px;
  background: rgba(128, 229, 193, .07);
  color: var(--peltier-note);
  font-size: .75rem;
  font-weight: 750;
}

body.peltier-discovery .dark-comparison,
body.peltier-discovery .signal-exercise {
  margin: 24px 0;
  padding: 20px 0;
  border-top: 1px solid var(--peltier-line);
  border-bottom: 1px solid var(--peltier-line);
}

body.peltier-discovery [hidden] { display: none !important; }

body.peltier-discovery .comparison-controls[hidden],
body.peltier-discovery .signal-controls[hidden] { display: none; }

body.peltier-discovery input[type="range"]:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

body.peltier-discovery .temperature-experiment { margin: 24px 0; }
body.peltier-discovery .temperature-comparison {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  align-items: stretch;
  margin: 0;
}

body.peltier-discovery .temperature-state {
  display: grid;
  grid-template-rows: auto 1fr;
  min-width: 0;
  padding: 12px 10px;
  border-top: 1px solid var(--peltier-line);
  border-bottom: 1px solid var(--peltier-line);
}

body.peltier-discovery .temperature-state + .temperature-state {
  border-left: 1px solid var(--peltier-line);
}

body.peltier-discovery .temperature-name {
  min-height: 2.8em;
  margin: 0 0 10px;
  color: var(--muted);
  font-size: .88rem;
  line-height: 1.4;
}

body.peltier-discovery .temperature-reading {
  display: grid;
  grid-template-columns: 4.4rem minmax(0, 1fr);
  gap: 9px;
  align-items: center;
  min-width: 0;
}

body.peltier-discovery .thermometer {
  position: relative;
  display: block;
  width: 4.4rem;
  height: 156px;
  border-right: 1px solid rgba(158,177,200,.26);
  border-left: 1px solid rgba(158,177,200,.26);
  background: repeating-linear-gradient(to bottom, transparent 0 24px, rgba(158,177,200,.22) 24px 25px, transparent 25px 26px);
}

body.peltier-discovery .thermometer::before,
body.peltier-discovery .thermometer::after {
  position: absolute;
  left: 0;
  color: var(--muted);
  font-size: .58rem;
  line-height: 1;
}

body.peltier-discovery .thermometer::before { top: 0; content: "30 °C"; }
body.peltier-discovery .thermometer::after { bottom: 0; content: "0 °C"; }

body.peltier-discovery .thermometer-fill {
  position: absolute;
  right: 8px;
  bottom: 0;
  left: 8px;
  height: max(7px, 86.67%);
  background: var(--peltier-warm);
}

body.peltier-discovery .temperature-cold .thermometer-fill {
  height: max(2px, 1.67%);
  background: var(--peltier-cold);
}

body.peltier-discovery .temperature-readout {
  display: block;
  color: var(--text);
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

body.peltier-discovery .temperature-range {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: .8rem;
  line-height: 1.5;
}

body.peltier-discovery .temperature-drop {
  margin: 14px 0 4px;
  color: var(--peltier-note);
  font-weight: 800;
  line-height: 1.5;
}

body.peltier-discovery .temperature-caution {
  margin: 0;
  color: var(--muted);
  font-size: .86rem;
  line-height: 1.55;
}

body.peltier-discovery .comparison-images {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}

body.peltier-discovery .comparison-images figure { min-width: 0; margin: 0; }
body.peltier-discovery .comparison-images img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--peltier-line);
  border-radius: 0;
  background: #0c1829;
  image-rendering: pixelated;
}

body.peltier-discovery .comparison-images figcaption { margin: 8px 2px 0; color: var(--muted); font-size: .86rem; line-height: 1.5; }
body.peltier-discovery .comparison-controls { margin-top: 18px; }
body.peltier-discovery .comparison-controls label,
body.peltier-discovery .signal-controls label { display: block; margin-bottom: 8px; color: var(--text); font-size: .9rem; font-weight: 700; }
body.peltier-discovery input[type="range"] { display: block; width: 100%; min-height: 34px; margin: 0; accent-color: var(--accent); cursor: ew-resize; touch-action: pan-y; }
body.peltier-discovery .comparison-output { display: block; min-height: 1.5em; margin-top: 3px; color: var(--muted); font-size: .86rem; }

body.peltier-discovery .comparison-labels {
  display: none;
  pointer-events: none;
}

body.peltier-discovery .dark-comparison.is-enhanced {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

body.peltier-discovery .dark-comparison.is-enhanced > .visual-kind { grid-row: 1; }
body.peltier-discovery .dark-comparison.is-enhanced > .comparison-images,
body.peltier-discovery .dark-comparison.is-enhanced > .comparison-labels { grid-row: 2; grid-column: 1; }
body.peltier-discovery .dark-comparison.is-enhanced > .comparison-controls { grid-row: 3; }
body.peltier-discovery .dark-comparison.is-enhanced > figcaption { grid-row: 4; }

body.peltier-discovery .comparison-images.is-enhanced {
  position: relative;
  display: block;
  width: min(100%, 760px);
  margin: 0 auto;
  aspect-ratio: 1014 / 760;
  overflow: hidden;
  border: 1px solid var(--peltier-line);
  border-radius: 0;
  background: #0c1829;
  --comparison-position: 50%;
  cursor: ew-resize;
  touch-action: pan-y;
}

body.peltier-discovery .comparison-images.is-enhanced .comparison-warm,
body.peltier-discovery .comparison-images.is-enhanced .comparison-cold {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
}

body.peltier-discovery .comparison-images.is-enhanced figure img {
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 0;
  object-fit: contain;
}

body.peltier-discovery .comparison-images.is-enhanced .comparison-warm figcaption,
body.peltier-discovery .comparison-images.is-enhanced .comparison-cold figcaption { display: none; }

body.peltier-discovery .comparison-images.is-enhanced .comparison-cold {
  clip-path: inset(0 calc(100% - var(--comparison-position)) 0 0);
}

body.peltier-discovery .comparison-divider {
  display: none;
}

body.peltier-discovery .comparison-images.is-enhanced .comparison-divider {
  position: absolute;
  z-index: 2;
  top: 0;
  bottom: 0;
  left: var(--comparison-position);
  display: block;
  width: 2px;
  background: #edf5ff;
  box-shadow: 0 0 0 1px rgba(7,16,28,.48);
  pointer-events: none;
  transform: translateX(-50%);
}

body.peltier-discovery .comparison-divider::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 30px;
  border: 2px solid #edf5ff;
  border-radius: 5px;
  background: #10223a;
  content: "";
  transform: translate(-50%, -50%);
}

body.peltier-discovery .dark-comparison.is-enhanced .comparison-labels {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 8px;
  align-self: stretch;
  min-width: 0;
  margin: 0;
  padding: 0 10px 10px;
  box-sizing: border-box;
}

body.peltier-discovery .comparison-labels span {
  max-width: 48%;
  padding: 5px 8px;
  border-radius: 4px;
  background: rgba(7,16,28,.84);
  color: var(--text);
  font-size: .78rem;
  font-weight: 750;
  line-height: 1.3;
}

body.peltier-discovery .signal-field {
  position: relative;
  display: flex;
  align-items: end;
  justify-content: space-around;
  gap: 5px;
  height: 190px;
  min-height: 190px;
  margin: 14px 0 8px;
  padding: 16px 16px 24px;
  overflow: hidden;
  border: 1px solid var(--peltier-line);
  border-radius: 8px;
  background: var(--peltier-surface);
  --signal-level: 65%;
}

body.peltier-discovery .noise-bar { display: block; width: 5%; min-width: 5px; border-radius: 2px 2px 0 0; background: rgba(158,177,200,.5); }
body.peltier-discovery .noise-bar.level-1 { height: 28%; }
body.peltier-discovery .noise-bar.level-2 { height: 48%; }
body.peltier-discovery .noise-bar.level-3 { height: 36%; }
body.peltier-discovery .noise-bar.level-4 { height: 62%; }
body.peltier-discovery .noise-bar.level-5 { height: 42%; }
body.peltier-discovery .noise-bar.level-6 { height: 54%; }

body.peltier-discovery .signal-marker {
  position: absolute;
  right: 12px;
  bottom: var(--signal-level, 65%);
  left: 12px;
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--peltier-note);
  font-size: .82rem;
  font-weight: 750;
  transform: translateY(50%);
}

body.peltier-discovery .signal-marker::before { flex: 1 1 auto; height: 2px; background: currentColor; content: ""; }
body.peltier-discovery .signal-marker span { order: 1; padding: 3px 6px; border-radius: 4px; background: #10223a; }
body.peltier-discovery .signal-controls { margin-top: 14px; }
body.peltier-discovery .signal-message { display: block; min-height: 1.5em; margin-top: 6px; color: var(--peltier-note); line-height: 1.5; }
body.peltier-discovery .signal-exercise > .experiment-caption { color: var(--muted); }

body.peltier-discovery .discovery-results {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 26px 0;
  padding: 0;
  list-style: none;
}

body.peltier-discovery .discovery-results li {
  min-width: 0;
  padding: 13px 14px;
  border: 1px solid var(--peltier-line);
  border-radius: 8px;
  background: rgba(12,24,41,.34);
}

body.peltier-discovery .result-title,
body.peltier-discovery .result-verdict,
body.peltier-discovery .result-detail { display: block; }
body.peltier-discovery .result-title { margin-bottom: 6px; color: var(--muted); font-size: .78rem; font-weight: 750; line-height: 1.4; }
body.peltier-discovery .result-verdict { margin-bottom: 5px; color: var(--text); font-size: 1.08rem; line-height: 1.35; overflow-wrap: anywhere; }
body.peltier-discovery .result-detail { color: var(--muted); font-size: .84rem; line-height: 1.5; }

body.peltier-discovery .learning-summary { margin: 28px 0; }
body.peltier-discovery .learning-summary > h3 { margin: 0 0 10px; color: var(--text); font-size: 1.12rem; }
body.peltier-discovery .learning-summary ul { margin: 0; padding-left: 1.25rem; }
body.peltier-discovery .learning-summary li { padding: 5px 0 5px 3px; color: var(--muted); line-height: 1.55; }
body.peltier-discovery .learning-summary li::marker { color: var(--peltier-note); }
body.peltier-discovery .learning-unknown { margin: 24px 0; padding-top: 14px; border-top: 1px solid var(--peltier-line); }
body.peltier-discovery .learning-unknown h4 { margin: 0 0 6px; color: var(--text); font-size: 1rem; }
body.peltier-discovery .learning-unknown p { margin: 0; color: var(--muted); line-height: 1.65; }

@media (max-width: 760px) {
  body.peltier-discovery .comparison-images { grid-template-columns: minmax(0, 1fr); }
  body.peltier-discovery .assembly-steps,
  body.peltier-discovery .discovery-results { grid-template-columns: minmax(0, 1fr); }
  body.peltier-discovery .thermal-path { grid-template-columns: 1fr; }
  body.peltier-discovery .thermal-path li,
  body.peltier-discovery .thermal-path li + li { padding: 10px 22px 10px 0; border-left: 0; }
  body.peltier-discovery .thermal-path li:not(:last-child)::after {
    top: auto;
    right: 8px;
    bottom: -4px;
    transform: rotate(135deg);
  }
}

@media (max-width: 480px) {
  body.peltier-discovery .story-step { padding: 25px 0; }
  body.peltier-discovery .story-keyfigures { grid-template-columns: 1fr; }
  body.peltier-discovery .story-keyfigures > div,
  body.peltier-discovery .story-keyfigures > div + div { padding: 11px 0; border-left: 0; }
  body.peltier-discovery .story-keyfigures > div + div { border-top: 1px solid var(--peltier-line); }
  body.peltier-discovery .build-facts { grid-template-columns: 1fr; }
  body.peltier-discovery .build-facts > div,
  body.peltier-discovery .build-facts > div + div { padding: 10px 0; border-left: 0; }
  body.peltier-discovery .build-facts > div + div { border-top: 1px solid var(--peltier-line); }
  body.peltier-discovery .temperature-comparison { gap: 4px; }
  body.peltier-discovery .temperature-state { padding: 10px 5px; }
  body.peltier-discovery .temperature-reading { grid-template-columns: 3.3rem minmax(0, 1fr); gap: 6px; }
  body.peltier-discovery .thermometer { width: 3.3rem; }
  body.peltier-discovery .thermometer::before,
  body.peltier-discovery .thermometer::after { font-size: .52rem; }
  body.peltier-discovery .temperature-readout { font-size: 1rem; }
  body.peltier-discovery .temperature-range { font-size: .74rem; }
  body.peltier-discovery .dark-comparison.is-enhanced .comparison-labels { padding: 0 6px 6px; }
  body.peltier-discovery .comparison-labels span { padding: 4px 6px; font-size: .72rem; }
}

@media (min-width: 1100px) {
  body.peltier-discovery .assembly-steps { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
  body.peltier-discovery *,
  body.peltier-discovery *::before,
  body.peltier-discovery *::after { scroll-behavior: auto !important; transition-duration: 0s !important; animation-duration: 0s !important; }
}